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基于PSpice仿真的某型飞机导弹发控电路测试性建模

更新时间:2020-06-18 05:29:03 大小:2M 上传用户:守着阳光1985查看TA发布的资源 标签:pspice 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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针对某型飞机导弹发控电路测试性建模存在信号流反馈环较多而难以有效区分与故障相关性的问题,论文提出了一种基于PSpice仿真的测试性建模方法。首先,通过PSpice建立某型飞机导弹发控仿真电路并设置测点,同时利用FMECA方法分析选择危害性或先验故障概率较大的故障;然后将故障状态注入仿真电路,通过PSpice仿真获得测点数据;最后,利用整数编码技术获得仿真电路的测试-故障相关性矩阵。仿真实例验证了所提方法的可行性,可为复杂电子设备元器件级测试性建模提供有效指导。

To address the problem of testability modeling for a certain missile-launch circuit which is difficult to find the rela-tionships among signals and faults in the circuit,a method of testability modeling based on Pspice is put forward. First,the simula-tion circuits are built and the test points are selected by PSpice,the faults which have larger criticality and larger fault prior proba-bility are selected by FMECA at the same time. Then,the faults are injected in simulation circuit,which is simulated to obtain thetest points data by PSpice. Finally,the test-fault dependency matrix is acquired through integer coding technology. A simulation ex-ample is given to prove the feasibility of the proposed method,whi...

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基于PSpice仿真的某型飞机导弹发控电路测试性建模.pdf 2M

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